From 9a1666d75c87cf70dd24113f4384824eb96e4ccf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=ABl=20Stemmer?= <stemmertech@gmail.com>
Date: Sun, 12 Jun 2022 22:54:12 +0100
Subject: [PATCH] gtr,junit: Move Benchmark duration calculation to gtr package

---
 gtr/gtr.go     | 6 ++++++
 junit/junit.go | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/gtr/gtr.go b/gtr/gtr.go
index b410c98..5fb23fa 100644
--- a/gtr/gtr.go
+++ b/gtr/gtr.go
@@ -103,6 +103,12 @@ type Benchmark struct {
 	AllocsPerOp int64
 }
 
+// ApproximateDuration returns the duration calculated by multiplying the
+// iterations and average time per iteration (NsPerOp).
+func (b Benchmark) ApproximateDuration() time.Duration {
+	return time.Duration(b.NsPerOp) * time.Duration(b.Iterations)
+}
+
 // Error contains details of a build or runtime error.
 type Error struct {
 	ID       int
diff --git a/junit/junit.go b/junit/junit.go
index 816645c..1b90188 100644
--- a/junit/junit.go
+++ b/junit/junit.go
@@ -235,7 +235,7 @@ func createTestcaseForBenchmark(pkgName string, bm gtr.Benchmark) Testcase {
 	tc := Testcase{
 		Classname: pkgName,
 		Name:      bm.Name,
-		Time:      formatBenchmarkTime(time.Duration(bm.NsPerOp) * time.Duration(bm.Iterations)),
+		Time:      formatBenchmarkTime(bm.ApproximateDuration()),
 	}
 
 	if bm.Result == gtr.Fail {